Family: Cyprinidae
Onychostoma angustistomata — a Cyprinidae from southern Chinese mountain streams, peaceful; keep with similar-sized calm tankmates. Reaches 23.7–34.8 cm; keep in a group of 4–6 for natural behaviour. 18–26 °C.
Onychostoma angustistomata is a Cyprinidae from southern Chinese mountain streams. In the wild it prefers clear streams and rivers over gravel; in the aquarium it stays peaceful. Plan on 23.7–34.8 cm of adult fish at 18–26 °C. Related profiles: Onychostoma barbatulum, Onychostoma elongatum, Onychostoma gerlachi.
A moderate-level species: peaceful; keep with similar-sized calm tankmates; stable water matters more than fancy equipment.
Aim for 18–26 °C. Room temperature to heated, depending on origin; 18–26 °C typical for the genus.
Adults reach 23.7–34.8 cm; it is active throughout the water column. Plan for at least 500 litres.
Omnivore; prepared foods with regular variety. Vary the menu — quality flakes or pellets plus frozen or live foods.
Peaceful; keep with similar-sized calm tankmates; keep in a group of 4–6 for natural behaviour. Good company: Robust schooling cyprinids — Add activity without conflict. Keep away from Much larger predators — Risk at night.
Comes from southern Chinese mountain streams: clear streams and rivers over gravel. Expect moderate, well-oxygenated current and appreciates well-oxygenated water.
Low escape risk, but a lid is cheap insurance.
Breeding is straightforward scatter-spawning. Males often slimmer and more colourful.